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  1. Replies
    8$$
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    302

    Miswired kitchen by "remodelers"

    I was working on some wiring in a house in Westland today where everything was a total hack job. I was rewiring all the basement lights to their own circuit, and noticed that the kitchen had been...
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    4$$
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    359

    Yes, I see that too. I was wondering why that...

    Yes, I see that too. I was wondering why that is, and the science behind that. It just doesn't seem logical given the fact that hot and neutral both carry the same amount of current, so I presume...
  3. The only place that a 3-way switch must be used...

    The only place that a 3-way switch must be used is at the top and bottom of the stairs. This is in the Michigan Residential Code. Inspectors here always insist that 3-way switches be installed for...
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    359

    Loose neutral wires - fire hazard

    I've heard it said many times that loose neutrals are a common cause for electrical fires. But I don't understand why a loose neutral would cause it more than a loose hot wire. The same amount of...
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    3$$
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    416

    Correct. I was still living in Tennessee in...

    Correct. I was still living in Tennessee in November 2017 when I took my Michigan Master electrician exam. I was able to take it at the PSI exam center in Knoxville. I have since moved back here to...
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    14$$
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    I always run power to the switch first. I hate...

    I always run power to the switch first. I hate switch loops with a passion, never use them, and was so glad that the NEC changed the code which discouraged their use by requiring a neutral wire at...
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    4$$
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    229

    OK, thanks, didn't know that. I'll have to ask...

    OK, thanks, didn't know that. I'll have to ask the customer before I wire the circuit for it.
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    4$$
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    229

    Dual-fuel Ranges

    For the electric oven part of a dual-fuel range, how many amps are they generally rated for, and what size circuit is typically used for them? Are they plug-in or hard-wired? I've never had to...
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    364

    Oh, I forgot about extender rings! Great idea,...

    Oh, I forgot about extender rings! Great idea, I'll just use one of those.
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    Junction Box Fill

    I'm running a 60A feeder for power out to a detached garage, with additional wiring for a 3-way switch for the outdoor lights on it. The junction box in the basement where it connects to the 1" PVC...
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    2$$
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    Junction boxes should be made readily visible in...

    Junction boxes should be made readily visible in the attic. That is, easily spotted without digging through insulation. If a junction box is not possible to be located as such, then I would find...
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    11$$
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    440

    It is around here. Local inspectors only allow...

    It is around here. Local inspectors only allow 240V circuits in the upper sections.
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    11$$
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    440

    Split-bus panels

    When a customer calls you for some electrical upgrades at their house, and you discover that they have an old split-bus panel, would you recommend that they have you upgrade it? I always do because...
  14. Around here, the city inspectors would make the...

    Around here, the city inspectors would make the homeowners move the panel to a Code-compliant location. This being coupled with the fact that AL wiring is present, it would be best to rewire the...
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    4$$
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    287

    Tandem circuit breakers

    I see that Home Depot sells two different kinds of tandem breakers for Siemens panels. They have the basic one (Type QT) for $9.41 which fits into panels designed to accept tandem breakers. ...
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    4$$
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    289

    It actually sounded more like 'zzzzz'. But I...

    It actually sounded more like 'zzzzz'. But I didn't give it much thought because the panel needs to go anyway, in order for me to do the actual work needed (kitchen wiring upgrades).
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    4$$
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    289

    Pushmatic panel - buzzing noise

    I went to give an estimate on some wiring upgrades last evening and noticed that their Pushmatic panel was making a buzzing noise. I immediately recommended a panel replacement. Not only would I...
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    3$$
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    702

    I didn't use Mike's books, but I found another...

    I didn't use Mike's books, but I found another one that was extremely helpful and allowed me to pass all my exams on the first try. These came from "tests.com":
    Master Electrician Practice Exam Kit...
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    3$$
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    702

    YES! The Code quiz is great! I used that when I...

    YES! The Code quiz is great! I used that when I took my license exams. I kept taking 30-question quizzes until I consistently scored above 85%.
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    42$$
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    Not sure about Florida, but here in Michigan,...

    Not sure about Florida, but here in Michigan, we're allowed to install new panels in the same location as existing ones for a replacement, even if it would be a working space violation in a new...
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    18$$
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    Yes, my thoughts exactly. Maximum feeder size...

    Yes, my thoughts exactly. Maximum feeder size for a sub panel is 125 amps. Kind of an unwritten Code rule. No need to write it because they don't make parts that allow anything larger to be used.
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    515

    No, the POCO would run that. Since it would need...

    No, the POCO would run that. Since it would need to be rated for 320A, I was thinking they might use 350 kcmil CU or 500 AL.
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    7$$
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    515

    OK, so I would probably use 3/0 THHN copper for...

    OK, so I would probably use 3/0 THHN copper for the feeds to each panel (2/0 for neutral). What size conductors on the line side from the POCO would most likely be used?
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    7$$
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    515

    320A meter base - panel sizes

    If I install a 320A meter base (with service conductors rated for such), would I be allowed to install two 200A panels in the basement, or would one of them need to be a 100A (or 150A)?

    Since 2/0...
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    18$$
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    2,033

    Another thing.. if the house is old enough to...

    Another thing.. if the house is old enough to have hard plaster with lath, then it's old enough to have ungrounded wiring throughout, possibly even cloth-covered or old BX. I would have passed on...
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